Home / 3,485.04-4,809.88-2,159.44

Finding the Fourth Proportional to 3,485.04, 4,809.88 and 2,159.44

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Solution

The fourth proportional to 3,485.04, 4,809.88 and 2,159.44 is: 2,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.04 : 4,809.88 = 2,159.44 : x
  2. Step 2: Convert to fraction form
    3,485.04/4,809.88 = 2,159.44/x
  3. Step 3: Cross multiply
    3,485.04x = 4,809.88 × 2,159.44
  4. Step 4: Simplify right side
    3,485.04x = 10,386,647.27
  5. Step 5: Solve for x
    x = 10,386,647.27/3,485.04
  6. Step 6: Final answer
    x = 2,980.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.